Herbicide label
Thrice Herbicide Label
Thrice (EPA 83529-120) is a Group 1 cyhalofop-butyl herbicide labeled for 1 crops. The label lists 9 controlled weeds, plus partial-control, suppression, and partner-control categories.
Thrice label facts
- Product Thrice
- EPA Reg. No. 83529-120
- Registrant Sharda USA LLC
- Active ingredient cyhalofop-butyl
- MOA group 1
Crops on the Thrice label
Thrice is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Thrice label
The Thrice label names 15 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control9- barnyardgrass, common
- johnsongrass, seedling
- junglerice
- panicum, fall
- signalgrass, broadleaf
- sprangletop, amazon
- sprangletop, bearded
- sprangletop, red
- knotgrass
Suppression
suppression6- barnyardgrass, perennial
- crabgrass, large
- goosegrass
- panicum, texas
- paspalum, brook
- paspalum, water
Thrice rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
Thrice FAQ
What weeds does Thrice control?
The Thrice label names 15 weeds, including common barnyardgrass, seedling johnsongrass, junglerice, fall panicum, broadleaf signalgrass, and amazon sprangletop. Control varies by crop, rate, and timing.
What crops is Thrice labeled for?
Thrice is labeled for 1 crops and uses, including rice.
What is the active ingredient in Thrice? Is it a generic?
Thrice's active ingredient is cyhalofop-butyl (MOA Group 1). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-17.